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CVE-2000-0631

22
FAUCET Score

CVE-2000-0631 describes a denial-of-service vulnerability in an administrative script included with Microsoft IIS 3.0, 4.0, and 5.0. Remote attackers can trigger this vulnerability by accessing the script without a specific argument, leading to a denial of service. With a CVSS score of 5.0 (Medium), this vulnerability is easily exploitable over the network with low complexity and no authentication required, resulting in partial availability impact. Despite its age and high FAUCET Risk Score, there is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_server:3.0:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
20.86%
Probability of exploitation in next 30 days
EPSS Percentile
97.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.2086 is in the 97th percentile among its peer group of 23,703 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

marc.info
docs.microsoft.com / en-us/security-updates/securitybulletins/2000/ms00-044
exchange.xforce.ibmcloud.com / vulnerabilities/4951
securityfocus.com / bid/1476
PatchVendor Advisory